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Case File

CVE-2009-4114

MEDIUM · CVSS 4.9 EPSS 0.83%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-11-30 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.9. It may lead to a denial-of-service condition.

CVE
CVE-2009-4114
Severity
MEDIUM
CVSS
4.9
EPSS
0.83%

Original NVD Description

kl1.sys in Kaspersky Anti-Virus 2010 9.0.0.463, and possibly other versions before 9.0.0.736, does not properly validate input to IOCTL 0x0022c008, which allows local users to cause a denial of service (system crash) via IOCTL requests using crafted kernel addresses that trigger memory corruption, possibly related to klavemu.kdl.